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// Begin License:
// Copyright (C) 2006-2014 Tobias Sargeant (tobias.sargeant@gmail.com).
// All rights reserved.
//
// This file is part of the Carve CSG Library (http://carve-csg.com/)
//
// This file may be used under the terms of either the GNU General
// Public License version 2 or 3 (at your option) as published by the
// Free Software Foundation and appearing in the files LICENSE.GPL2
// and LICENSE.GPL3 included in the packaging of this file.
//
// This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
// INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE.
// End:
#pragma once
#include <ext/hash_map>
#include <ext/hash_set>
namespace __gnu_cxx {
template <typename T>
struct hash<T *> : public std::unary_function<T *, size_t> {
size_t operator()(T *v) const {
size_t x = (size_t)(v);
return x + (x>>3);
}
};
template <typename A, typename B>
struct hash<std::pair<A, B> > : public std::unary_function<std::pair<A, B>, size_t> {
size_t operator()(const std::pair<A, B> &v) const {
std::size_t seed = 0;
seed ^= hash<A>()(v.first);
seed ^= hash<B>()(v.second) + (seed<<6) + (seed>>2);
return seed;
}
};
}
namespace std {
template<typename K, typename V, typename H = __gnu_cxx::hash<K> >
class unordered_map : public __gnu_cxx::hash_map<K, V, H> {
typedef __gnu_cxx::hash_map<K, V, H> super;
public:
typedef typename super::mapped_type data_type;
};
template<typename K, typename H = __gnu_cxx::hash<K> >
class unordered_set : public __gnu_cxx::hash_set<K, H> {
typedef __gnu_cxx::hash_set<K, H> super;
public:
};
}
#define UNORDERED_COLLECTIONS_SUPPORT_RESIZE 1
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